baber/WOPTO huggingface dataset:
Patent DE-2722586-A1 (DE)
Title: Pipette for culturing liquids - includes perforated attachment to ensure mixing of culture liquid
Inventor: IZAWA MASAO
IPC: B01L3/02
Filed: 1977-05-18
Abstract: Pipette for culturing liquids for tissue and cell cultures, has small openings in its end part. The pipette pref. comprises a tubular body, pref. with an internal dia. of 10 mm. An adaptor provided with the openings, pref. having an internal dia. of 10 mum, is attached to the end part. An effective mixing and improved distribution of any liq. repeatedly drawn up into the pipetted and expelled from the pipette is ensured. The pipette is esp. suitable to standardise the handling of culture solns. when culturing is to be carried out over several generations.
Patent DE-2723362-A1 (DE)
Title: Throughflow heater for windscreen washer on vehicles - operates with heating spiral in pipe inserted in engine coolant circuit
Inventor: KEMPER HEINZ
IPC: B60S1/48
Filed: 1977-05-24
Abstract: The throughflow windscreen heater is provided by an insert section (2). This insert section is connected into the warm return flow of the engine coolant, the system contains a heat exchanger spiral (1) which is connected to the washer circuit. The design can be fitted to any water cooled engine. For added heat transfer the inside of the spiral is fitted with metal wires (10). The heater is spaced between the washer pump and the washer jets.
Patent DE-2725117-A1 (DE)
Title: Circulating hot air food cooker - has open vessel held in heated air blown around vessel on grid floor
Inventor: MEISTER SIEGFRIED
IPC: A47J39/00
Filed: 1977-06-03
Abstract: The unit for heat tratement of foodstuffs is used especially for preparation of food by means of circulating hot air. The arrangement has a housing with a circulating air stream generated by a blower and the air flows past a heater and around a cooking vessel. The food situated on a grid floor is swept with hot air. this arrangement is used as domestic cooking unit and the food placed in the unit is readily observed and the cooker is readily cleaned and stopped. The cooking vessel (5) is open on one side. Later support clips (36) project under this cooking vessel for holding the arrangement together. The cooking vessel (5) is made of transparent material and preferably from glass. Spring brackets (6) are inserted as handles to the vertical edges of the housing (5).
Patent DE-2725604-A1 (DE)
Title: Slicing machine material distribution swivel bearing plate - has two input gearwheels engageable with lengthways parallel tooth tracked component
Inventor: ZIMMER WILHELM
IPC: B26D7/06
Filed: 1977-06-07
Abstract: The cutting machine has a material-supporting slide moving backwards and forwards parallel to the cutting plane, and a delivery device receiving the discs of cut-off material. This delivery device has a distributor to take the material, place it on a distribution surface, the delivery unit having a drive from the slide movement, and which comprises a lengthways toothed component movable with the slide and a gearwheel driven shaft. A swivel bearing plate (26) is provided for two input gearwheels (29, 31) which can be brought into engagement at will with the lengthways toothed component (33, 34). The plate bearing (21) is arranged coaxially to a common gearwheel (27) of the gearwheel drive. The lengthways toothed component (33, 34) has two parallel toothed tracks on the same side facing the swivel bearing plate, which tracks are aligned with the plane of engagement of the one or the other of the input gearwheels.
Patent DE-2729548-A1 (DE)
Inventor: LESCHUS GERD
IPC: B29C48/12
Filed: 1977-06-30
Abstract: Profile based on SBR with 60-80 (wt.%) butadiene and 40-20% styrene, contains 30-60 pts. EVA and 30-40 pts. C black per 100 pts. thermoplastic styrene-butadiene-styrene rubber (SBS). The compsn. can also contain 2-30 pts. N-isopropyl-N-phenyl-p-phenylene-diamine (I) and/or 20-40 pts. coumarone resin (II), pref. with a m.pt. of ca. 130 degrees C or 20-40 pts. lignin resin, based on lignin sulphonates, modified lignins and their derivs., and/or 5-35 pts. paraffin oil. No vulcanisation is needed and the profile can be bonded easily. It has good physical properties, e.g. great elasticity with slight compression set, optimum tensile strength and elongation at break, high tear strength and good resistance to heat, cold and ageing.
Patent DE-2733571-A1 (DE)
Title: Pipe joint with swivel adjustment for angle - has flanges mounted at 45 degrees for coaxial to right angle pipe fixture
Inventor: KESSEL BERNHARD
IPC: F16L27/08
Filed: 1977-07-26
Abstract: Two pipes (2, 3) are joined by a flange coupling which is located at 45 deg. relative to the pipe axis. The two pipes are therefore adjustable between a coaxial orientation and a right angle, by allowing relative rotary movement between the two pipes. One coupling flange (4) is provided with an internal location groove which is limited by a tapered rim. The coupling on the second tube consists of an external radial flange (12) which locates in the internal groove. When the coupling flanges are assembled, an elastic seal ring (17) is located between the two components in order to make the joint leakproof.
Patent DE-2742833-A1 (DE)
Title: Forgery-proof identity card - has magnetically coded information which can be checked by central computer
Inventor: GUGEREL THOMAS
IPC: B42D25/00
Filed: 1977-09-23
Abstract: An identity card which cannot be falsified is made from a piece of paper 9.5 cm x 6.5 cm. One side of the paper carries a photograph of the owner together with name, address, date of birth, blood group, identity card number and personal identity number. The other side carries magnetically coded information which is invisible to the eye. The card is protected with a layer of transparent flexible plastic. The coded information can be transmitted to a computer at headquarters to check that it is correct and to reveal any forgery.
Patent DE-2743878-A1 (DE)
Title: TDM exchange with reduced complexity - uses two sectional memories on incoming and outgoing trunks to control time slotting of channels
Inventor: GAWER DIETER DIPL ING
IPC: H04Q11/04
Filed: 1977-09-29
Abstract: The TDM storage and switching equipment is for telecommunications exchange applications. Digital signals are received in a time slot on the incoming trunks and stored in two equal capacity memories. Two section memories of greater capacity are connected to the outgoing trunks. The memories are interconnected to ensure accurate information transfer between various time slots in the time frame through a switch block. The incoming and outgoing line memories are alternately operated in read and write modes for the duration of half a frame.
Patent DE-2746182-A1 (DE)
Title: Cylindrical catalyst carrier retention - using transverse hole and welded bolt to join carrier to casing
Inventor: OESER POLAT DIPL ING
IPC: F01N3/28
Filed: 1977-10-14
Abstract: Catalyst-lined cylindrical carrier in the casing for the treatment of exhaust gas of an internal combustion engine is secured by a holding bolt. The bolt passes through a transverse bore through casing and carrier and is fixed at both its ends to the casing. A simple method of securing the carrier relative to the casing against both axial and rotational motion.
Patent DE-2750004-A1 (DE)
Title: Automatic stop-start circuit for model electric railway - uses heat sensitive conductor which becomes non-conducting when heated (OE 15.9.78)
Inventor: SACHER FRANZ DIPL ING
IPC: A63H19/24
Filed: 1977-11-08
Abstract: Automatic stop and start circuit has a split conducting rail. Section is electrically insulated from lengths of rail on either side and is connected to a pulse generating device and to the opposite rail. Rails are connected by a heat sensitive conducting element which is conducting when cold but offers a high resistance when hot. When a train passes over section of the split rail the pulse generator generates a pulse the duration of which can be controlled by the device. This pulse is transmitted to the heating element which heats a resistor to make it non-conducting and so stops the train. The train re-starts when the resistor has cooled.
Patent DE-2751515-A1 (DE)
Title: Vehicle with lifting gear laying concrete paving stones - has rotatable hoist on arm, with shaft facing control position
Inventor: LEHNEN WALTER
IPC: E01C19/52
Filed: 1977-11-18
Abstract: The appliance is fitted with a hoist mechanism for use in laying concrete shaped paving blocks, mounted at the open end of a carrier arm hinged so as to swivel vertically on a pref. motor-driven chassis. The hoist mechanism (7) is rotatably mounted on the carrier arm (6), and incorporates a shaft (14) facing the operating position or seat (11) on the chassis (1). It may be suspended so as to swing in the longitudinal axis of the chassis. This makes it possible for stones to be accurately laid in their correct positions in the paving, with no need for further correction.
Patent DE-2751763-A1 (DE)
Title: Very strong pressure-moulded aircraft and space vehicle component mfr. - comprising highly compacted and cooled, regularly shaped particles, by compacting and diffusion-welding
Inventor: LESSNAU ADOLF DIPL ING
IPC: B29C67/04
Filed: 1977-11-19
Abstract: Mfr. comprises charging numerous, relatively small, polyhedral particles to a mould, packing them as tightly as possible, e.g. by vibrating, and subjecting the mould to pressure so that any interstices are eliminated and the surfaces of adjacent particles brought into contact thereby bonding them together by diffusion welding. The claimed process dispenses with the pre-forming step required with prior-art processes whilst economising on the amount of moulding material needed, such economies equalling those achieved with chill casting.
Patent DE-2754443-A1 (DE)
Title: Forging press for making cylindrical follow workpieces - has anvil and ram for cylindrical blank with internal expanding tools
IPC: B21J7/14
Filed: 1977-12-07
Abstract: The thick walled cylindrical components are made from heated cylindrical blanks under a forging press. The workpieces are produced rapidly without restriction of the dia. and length ratio. Dimensional accuracy is high. The anvil contacts the workpiece exactly opposite the upper contact point of the ram. The workpiece is supported internally on each deformation operation from inside along the line of action of the deforming forces. The workpiece can be internally expanded or supported. The expanding tool inserted into the workpiece has >=2 opposite working radially inserted expanding saddles with wedge action exerting radial pressure when loaded axially.
Patent DE-2758310-A1 (DE)
Title: Digital inverter producing stepped sine-wave from vehicle battery - has four-stage dual counter driving three exclusive OR=gates controlling switching of divider tappings
Inventor: SCHNEIDER YVES
IPC: H03K4/02
Filed: 1977-12-27
Abstract: The digital inverter produces a sine-wave supply voltage from a motor vehicle's battery by generating 2n steps fro every quarter period of the sinewave by switching transistors. Each step has a voltage associated with it. The step voltages are obtained from tappings along a voltage divider and are switched through consecutively to the output. A four-stage dual counter drives three exclusive-OR gates from its outputs which in turn control the switching of the divider's tappings to the output.
Patent DE-2800578-A1 (DE)
Title: Mobile automatic service unit for a ring spinning frame - comprising a stripper roller and suction cleaning device
Inventor: KAMP HEINZ
IPC: D01H11/00
Filed: 1978-01-07
Abstract: A mobile, automatic service unit for a ring spinning frame has a card-wire covered stripper roller to remove the accumulated fibres from the cleaning roller of the drafting section. The stripping rollr can be moved into contact with and withdrawn from contact with the cleaning roller as the service unit moves along the spinning frame. The width of the stripping roller is three or four times the width of the cleaning roller, which is held down by a swivelling arm whilst the stripper is rotated in contacted with the cleaning roller. A clearing comb removes the stripped fibres from the stripper and deposits them in a bin from which they are later removed by a suction device. Quicker, improves cleaning with no down time, and reduced wage costs, are achieved.
Patent DE-2809566-A1 (DE)
Title: Fur trimming knife - with several inclined short blades in desired pattern
Inventor: LIFFERS GERD
IPC: C14B15/10
Filed: 1978-03-06
Abstract: A trimming knife for the fur industry is used to perform a regular pattern of 8-16 mm wide cuts so that a densely haired fur can be stretched by 30% and the pile lies better. The knife consists of several (eight) parallel blades with an inclined cutting edge, alternately offset, and with the required width. This is used to pierce the fur so that strictly uniform cuts are produced. The results is a saving of time and a more uniform prod.
Patent DE-2810807-A1 (DE)
Title: Torque or position repeater system - operates with solid state switching and position detector circuits and feedback circuits
Inventor: NAYDAN BOB NICHOLAS
IPC: H02K24/00
Filed: 1978-03-13
Abstract: The repeater (50) comprises a multiphase stator winding (S1, S2, S3) and a rotor (R1). Solid state switches (SW1, SW2, SW3) control the stator windings in response to signals from a driver circuit (13). The driver receives a reference signal (theta--0)and and actual rotor position signal (theta-1) derived from the repeater (50) through an analog to digital converter (51) or similar circuit. The stator winding currents are adjusted sequentially until the feedback signal (theta-1) is equal to the required position signal (theta-0).
Patent DE-2820984-A1 (DE)
Title: Electric machine with cryogenic cooling - has shaft with slots for coolant supplied from one end and evacuated through other
Inventor: ROZENFELD LEV MARKOVITSCH
IPC: H02K9/20
Filed: 1978-05-12
Abstract: The rotor of the electric machine has an excitation winding mounted on the shaft in a chamber filled with a coolant fed through an axial channel in the shaft at its one end, and evacuated through channels at both ends of the shaft. The rotor shaft has slots parallel to its axis, at places supporting the superconducting winding and connected to the coolant supply channel. The coolant discharge channel at the shaft other end is also connected to the slots.
Patent DE-2826585-A1 (DE)
Inventor: BIRCHER WALTER
IPC: H01H1/62
Filed: 1978-06-16
Abstract: The contact arrangement contains a plurality of contact fingers (1) whose one end is pressed by means of the spring (2) into the annular groove (3) of a connecting bolt (4) which is used as a carrier, and whose other end is pressed against the round switching pin (5). When the switching pin (5) is withdrawn, the contact fingers rest on the cylinder (6). The springs (2) are supported on the inner wall of the housing (7), which is in the form of a hollow cylinder. There are two grooves (8) in the inner wall of the housing (8). A spring washer (9) is inserted into each of these grooves. The spring washer (9) has a plurality of tongues (10) which are distributed on the circumference, project radially beyond the inner wall of the housing (7), penetrate between in each case two adjacent contact fingers (1) and space them apart from each other. In the case of this arrangement, there is a channel, having a relatively small flow resistance, between the housing (7) and the contact fingers (1) and between the individual contact fingers. In the case of this contact arrangement, the medium which surrounds the contact fingers (1) can carry away a relatively large amount of heat by convection. This contact arrangement is thus suitable for carrying relatively large currents. <IMAGE>
Patent DE-2832411-A1 (DE)
Title: Rear windscreen wiper linkage with reciprocating drive - has lever cam coupling which uses curved slots to lift wiper arm out of recess before wiping cycle
Inventor: RUEHMANN BERNHARD
IPC: B60S1/08
Filed: 1978-07-24
Abstract: The improved linkage for the rear windscreen wiper has a reciprocating drive (10) to a drive yoke (11) attached to the wiper stub and with a slotted cam (5) to link the drive to the motor shaft (7). The coupling between the levers and the cam uses curved slots (8) which lift the wiper arm out of a recess before the wiping cycle, and return it into the recess when the wipers are switched off. The switch off control reverses the motor drive so that the locating pegs run to the other end of the slots. No separate parking controls are required.
Patent DE-2834920-A1 (DE)
Title: MOSFET comparator with chopper amplifier - has bias voltage adjusting MOSFET, compensating MOSFET and inputs for oppositely phased switching signals per amplifier stage
Inventor: MIYAKAWA NOBUAKI
IPC: G06G7/12
Filed: 1978-08-09
Abstract: The comparator uses a chopper amplifier and is made exclusively using MOS techniques. It has several amplifying stages coupled by capacitors. Each amplifying stage used to amplify the alternately selected input signals appearing on the preceding coupling capacitor (C11) and has a MOSFET (T01) to adjust bias voltage and a first input (9) for a switching input signal to the gate of the bias adjusting transistor. Each stage also has amplifying MOSFETs (T21, T31), a compensation MOSFET (T11) and a second input (10) to apply a second switching input signal with the opposite phase to the bias MOSFET (T01). The amplifying MOSFETs are N-channel depletion and enhancement types.
Patent DE-2835311-A1 (DE)
Title: On-load tap changer for transformers - has contacts in casing filled with sulphur hexa:chloride inside insulating vessel in transformer tank
Inventor: WIDMANN WERNER ING GRAD
IPC: H01H1/62
Filed: 1978-08-11
Abstract: The transformer tap changer has main and resistive breaks, and is mounted in an oil filled insulating vessel inside the transformer tank. it is accessible from the transformer cover. The tap changer contacts are mounted in a casing (3) filled with SF6. The casing (3) in the insulating vessel (1) is mounted at a sufficient for the voltage difference distance from the transformer cover (2). The transition resistors (4) of the resistive breaks are mounted inside the insulating vessel (1) but outside the casing for the contacts.
Patent DE-2835495-A1 (DE)
Title: Aq. silicone-polyester resin coating or lacquer binder - contains acidic polyester and silicone precondensate or silicone-polyester combination resin
Inventor: SCHLAK OTTFRIED DIPL CHEM DR
IPC: C09D183/04
Filed: 1978-08-12
Abstract: Aq. silicone-polyester resin systems, (A), contg. >30 wt. % silicone, w.r.t. binder solid, contain either (a) a mixt. of a polyester resin, (I), having acid index 50-170, and a silicone precondensate (II) having SiOH or SiOR functionality, or (b) a silicone-polyester combination resin, (III), having acid index 25-110, and also 0-80 wt.% organic solvent and 0-10 wt.% emulsifier or dispersant (each w.r.t. binder solids), an N base and opt. pigments as fillers. (A) are used as coating- or lacquer binders or lacquers. (A) form stoving lacquers resistant to weathering and heat. The lacquers retain their gloss and colour; adhere well to substrate, have good hardness, elasticity and low thermoplasticity.
Patent DE-2841249-A1 (DE)
Title: Filtration equipment for diesel motor fuel - has main heat exchanger for filtered fuel and heating water with three loop cycles for latter leading through valves and other heat exchange
Inventor: STRAUBEL MAX DIPL ING DR
IPC: F02M37/22
Filed: 1978-09-22
Abstract: The diesel motor fuel filtration equipment includes in one embodiment, a heat exchanger (17), with one loop connected between a three-way thermostatic valve (15) and a second thermostatic stave (33), which returns the cycle to the motor unit (11). The latter has a coolant water inlet (12) and an outlet (13) forming a short (first) loop through a conduit (14) to the three-way valve. The second (long) loop includes the cooler (22), three-way valve (15) and side conduit (23) in the line from the pump (18) and water inlet (12). A third coolant loop comprises the second thermostatic valve (33) aforementioned and has a parallel line through a heating exchanger (36) and the heating valve (35). The main heat exchanger (17) cycle includes a filter (16), fuel injection pump (24) and the injection unit (27) adjacent to the motor.
Patent DE-2844846-A1 (DE)
Title: Conical recess grinding mechanism - uses universal joint moved by crank drive to position workpiece held on magnetic chuck
Inventor: BAUER HEINZ
IPC: B24B3/60
Filed: 1978-10-14
Abstract: The device is for grinding inside and outside a conical recess. The workpiece pick-up (7) sits on a universal joint (3-4) which can be moved in a wobbling fashion by means of a crank drive (10-18). The workpiece is moved with respect to the grinding disc (9) which rotates on the workpiece (8) with a fixed grinding spindle (10). Specifically, the workpiece pick-up is a magnet (7) and the crank drive (10-18) can be moved with handles (13).
Patent DE-2845005-A1 (DE)
Title: Frequency dependent signal derivation - uses two alternating voltages with intermediate direct voltage varying with their frequency ratio
Inventor: MALINOWSKI CHRISTOPH DR ING
IPC: G05B1/03
Filed: 1978-10-16
Abstract: A circuit producing a frequency dependent signal receives two alternating voltage input signals. It forms a basic component of arrangements for simple resolution of problems encountered in signal processing, control, and regulation. A direct component varying with the ration of the frequencies of the input signals is used to produce an output signal whose frequency is a function of the frequency ratio. The direct component V has the value A + B.f1/f2 where A and B are constants and f1 and f2 are the input signal frequencies.
Patent DE-2846927-A1 (DE)
Title: Servo controlled car front seat - has controls mounted on arm rest which pivots into rear seat entry setting to fold down backrest
Inventor: TSUDA HIROSHI
IPC: B60N2/90
Filed: 1978-10-27
Abstract: The servo controlled car seat has separate servo motors for adjusting the forward setting of the seat as well as the seat back rake. The controls are mounted in a pivoted arm rest, which, when pulled upwards, moves the seat forward for access to the rear seats. When the armrest is released the seat returns to its original setting. To facilitate access to the rear seats the seat back tilts forward, and returns to its original setting when the armrest is released.
Patent DE-2847066-A1 (DE)
Title: Simplex or duplex data scrambler - has feedback shift register for scrambling and derives power from data transmission line
Inventor: HOFMEISTER HAGEN ING GRAD
IPC: H04L25/03
Filed: 1978-10-28
Abstract: A scrambler for synchronous data transmissions does not involve modification to the MODEMS, being located on the line side of them. It does not require a separate power supply, and can handle half duplex and full duplex transmissions without introducing errors. The scrambler obtains its power from the data transmission and operates as a feedback coupled shift register. The shift registers at both ends require a synchronisation word and the equipment has a facility to generate its own. The scrambler also has an error monitoring facility. Data input is stored. Timing information is connected into the scrambling circuitry. The scrambler output is fed to output stage. At the receiver, data input is descrambled whilst incoming data is delayed in the receive store.